Libra Speciality Chemicals: News

Reduce your costs by using Rapeseed Diethanolamide (Libranol RDG-LA) as your next non-ionic surfactant

Over the last 12 months we have seen dramatic volatility in the coconut oil market, this has been attributed to many different effects; El Nino, increased usage in biofuels and use of coconut oil in the personal care and food industry.

Overall this has led to significant increases in prices of Coconut Diethanolamide (Libranol CDG). However, is there an answer that formulators haven’t considered?

Comparison between Coconut Oil and Rapeseed Oil
Figure 1: Price Variation (£/tonne) between Coconut Oil and Rapeseed Oil Sources http://www.indexmundi.com/

Overall this has led to significant increases in prices of Coconut Diethanolamide (Libranol CDG). However, is there an answer that formulators haven’t considered?

Rapeseed Diethanolamide (Libranol RDG-LA)

There is a variation in carbon chain length distribution between Libranol RDG-LA and Libranol CDG that will require alterations to end formulations, however Libranol RDG-LA is a real alternative that could be considered and used in various Household, I&I and toiletry applications available to all formulators.

Table 1: Typical carbon chain distributions for raw material coconut oil and rapeseed oil, from certificates of analysis’s delivered to Libra Speciality chemicals
Table 1: Typical carbon chain distributions for raw material coconut oil and rapeseed oil, from certificates of analysis’s delivered to Libra Speciality chemicals

Scientists at Libra Speciality Chemicals have successfully reformulated one of our laundry detergent concentrates (Libradet 55) to incorporate Libranol RDG-LA, which maintains performance and addresses the price challenges compared to coconut oil based products.

The main differences a formulator may encounter are:

Lower cloud point, due to increased chain lengths

  • Can be adjusted if required, by using hydrotropes, such as Librateric AA30, Librateric BA40, MPG (Mono-propylene glycol) or SXS (sodium xylene sulphonate).

Increased viscosity of the end product

  • Can help improve stability and product performance. If required, viscosity can be lowered with the addition solvents or co-solvents such as Glycerol or MPG.

Nominal difference in foam profile in comparison to Libranol CDG

  • Can be adjusted by altering the ratios of linear alkylbenzene sulphonate (LABSA – Libratex NSA 25) and Sodium lauryl ether sulphate (Libratex SLES)

The overall results lead to achieving substantial savings and maintained performance in formulated products.

In some cases, making savings of 33% when using Libranol RDG-LA compared to Libranol CDG.(Based on Libra Sales prices of Libranol-RDG-LA vs Libranol CDG in September 2016)

Request a Technical Data Sheet and your personalised quote
Enquire online, Call us on: 0161 775 1888 or Email: sales@librachem.co.uk
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